Erjun Kan
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View article: Bias-controlled multistate spintronics with giant TMR and polarity switch via localized spin states in 2D half-metals
Bias-controlled multistate spintronics with giant TMR and polarity switch via localized spin states in 2D half-metals Open
The relentless downscaling of integrated circuit systems imposes critical demands on spintronic technologies, particularly requiring superior storage density and efficient tunability beyond conventional magnetic-field approaches. A notable…
Electric-field switching of interlayer magnetic order in a van der waals heterobilayer via spin-electric potential Open
Electric-field control of magnetic order is of significant physical interest and holds great potential for spintronic applications. However, it has rarely been reported in two-dimensional (2D) van der Waals (vdW) magnets, primarily due to …
Negative Piezoelectric Response in YS<sub>2</sub> Open
The magnetic and piezoelectric properties of the YX2 (X = S, Se and Te) monolayers have been investigated using first-principles calculations. The spin-polarized electronic band structures of both monolayer and bilayer systems were analyze…
Understanding piezocatalysis of barium titanate in solution from quantum-continuum-electrochemical theory Open
Piezocatalysis has shown great potential in non-invasive medical treatment and pollutant removal. Since piezocatalysis usually occurs in solution, capturing the effect of the solution is essential in mechanistic study. However, conventiona…
Symmetry-Breaking Magneto-Optical Effects in Altermagnets Open
The recently discovered altermagnets (AMs), hosting momentum-dependent spin splitting and vanishing net magnetization, have attracted intensive attention for their promising application in novel spintronics. However, limited by facility an…
Optical Controllable Spin-Polarization in Two Dimensional Altermagnets via Robust Spin-Momentum Locking Excitons Open
Spin-momentum locking (SML) excitons in two-dimensional semiconductors are appealing to programmable optical control of spin-polarized carriers in ultrafast spintronics. To address the current thirsty for long-lived excitons with zero-exte…
A first-principles density functional theory study on the piezocatalytic activity of tetragonal perovskite PbTiO3 Open
Piezoelectric materials have been found to possess high catalytic activity under external mechanical excitations, such as ultrasonic waves or collisions. Energy band theory (EBT) based on electronic excitation in semiconductors has been wi…
Enhanced Mass Transfer by Hydrophobic Pore SiO<sub>2</sub> Mask for the Improvement of Methanol Production from CO<sub>2</sub> Photoreduction Open
The photocatalytic Carbon dioxide (CO 2 ) reduction reaction (PCRR) that is, the artificial photosynthesis is a promising route for the clean utilization of renewable resources, but poor selectivity resulting from the competing hydrogen ev…
Room-temperature ferromagnetism of chromium-doped molybdenum disulfide synthesized via chemical vapor deposition Open
Two-dimensional (2D) magnetic materials offer promising prospects for applications in magnetic storage and spin field-effect transistors. However, the inherently low Curie temperatures of intrinsic 2D ferromagnetic semiconductor materials …
The spin-coupling-dependent oxygen reduction mechanism in dual-atom catalysts Open
The role of electronic spin in electrocatalysis has led to the emerging field of “spin-dependent electrocatalysis”.
Optimized Carbon Coupling for Enhanced Ethylene Production via a Unique Single‐Atom‐Substrate Synergy Mechanism within Photocatalytic Processes Open
The utilization of solar‐driven technologies for the direct conversion of methanol (CH 3 OH) into two or multi‐carbon compounds through controlled carbon‐carbon (C−C) coupling is an appealing yet challenging objective. In this study, we su…
View article: Ferroelectric Polarization‐Mediated Modulation of Optical Properties in 2D van der Waals Architectures
Ferroelectric Polarization‐Mediated Modulation of Optical Properties in 2D van der Waals Architectures Open
The integration of 2D ferroelectric materials with 2D photoelectric materials presents a promising avenue for addressing issues related to controlled doping and device integration in layered semiconductors. The reversible and non‐volatile …
View article: Flexomagnetoelectric effect in Sr2IrO4 thin films
Flexomagnetoelectric effect in Sr2IrO4 thin films Open
Symmetry engineering is explicitly effective to manipulate and even create phases and orderings in strongly correlated materials. Flexural stress is universally practical to break the space-inversion or time-reversal symmetry. Here, by int…
Nanoconfined tandem three-phase photocatalysis for highly selective CO<sub>2</sub> reduction to ethanol Open
A 94.15% ethanol selectivity is achieved via a nanoconfined tandem three-phase CO 2 photoreduction system, which integrates hydrophobicity and the nanoconfinement effect with tandem reactions, reducing the energy barrier for *CO–*CO coupli…
Prediction of superhard C<sub>1+<i>x</i></sub>N<sub>1−<i>x</i></sub> compounds with metal-free magnetism and narrow band gaps Open
The scarcity of superhard materials with magnetism or a narrow band gap, and their potential applications in various fields, makes it desirable to design such materials.
Solar-driven CO<sub>2</sub>-to-ethanol conversion enabled by continuous CO<sub>2</sub> transport <i>via</i> a superhydrophobic Cu<sub>2</sub>O nano fence Open
CO 2 -to-ethanol conversion is achieved using a superhydrophobic Cu 2 O hollow structure (O–CHS) by continuous CO 2 transport, which maintains a high CO 2 concentration on the catalyst surface and further lowers the energy barrier for C–C …
Synergic Effects of Surface Chemistry and Applied Potentials on the Kinetics of the Electrocatalytic Oxygen Evolution Reaction in IrO<sub>2</sub> Open
Improving the efficacy of the oxygen evolution reaction (OER) through water oxidation is critical for advancing photoelectrochemical water splitting. Among the catalysts, IrO2 exhibits a high OER catalytic activity and stability under acid…
Electric-field Switching of Interlayer Magnetic Order in a van der Waals Heterobilayer via Spin-potential Coupling Open
Electric-field switching of magnetic order is of significant physical interest and holds great potential for spintronic applications. However, it has rarely been reported in two-dimensional (2D) van der Waals (vdW) magnets due to the inher…
Enhanced charge separation by continuous homojunction with spatially separated redox sites for hydrogen evolution Open
Photocatalytic hydrogen generation represents a promising strategy for the establishment of a sustainable and environmentally friendly energy reservoir. However, the current solar-to-hydrogen conversion efficiency is not yet sufficient for…
Tailoring the Microstructure of Porous Carbon Spheres as High Rate Performance Anodes for Lithium-Ion Batteries Open
Benefiting from their high surface areas, excellent conductivity, and environmental-friendliness, porous carbon nanospheres (PCSs) are of particular attraction for the anodes of lithium-ion batteries (LIBs). However, the regulation of carb…
Wettability adjustment to enhance mass transfer for heterogeneous electrocatalysis and photocatalysis Open
This review describes recent advances in wettability adjustment to improve the main green energy conversion and storage systems, i.e., photocatalysis and electrocatalysis. Because both are redox reactions involving electron behavior, they …
Optimized Pinecone-Squama-Structure MoS2-Coated CNT and Graphene Framework as Binder-Free Anode for Li-Ion Battery with High Capacity and Cycling Stability Open
Extensive research has been conducted on the development of high-rate and cyclic stability anodes for lithium batteries (LIBs) due to their high energy density. Molybdenum disulfide (MoS2) with layered structure has garnered significant in…
A new superhard material C<sub>5</sub>N<sub>2</sub> assembled from diamane: a first-principles study Open
Due to the shortage of diamond and cubic boron nitride (BN) and the lack of other potential rivals, searching for suitable superhard materials is still attracting tremendous research interests, especially those with special properties exce…
Interface Engineering Modulated Valley Polarization in MoS2/hBN Heterostructure Open
Layered transition metal dichalcogenides (TMDs) provide a favorable research platform for the advancement of spintronics and valleytronics because of their unique spin-valley coupling effect, which is attributed to the absence of inversion…